One host in an Inventory fail "MODULE FAILURE", all others works?

[Jéan Roux]

Hi, I am new to Ansible. I am testing simple ansible script like "ansible -m shell -a 'df -h' all -i hosts-file.ini" with several Raspberry Pi's. All come back successfully, accept one host, on any type of command, it looks like below, (the ssh keys works, I can log into the host, etc.)

-------------------------------------------------------------------------------------------------------------

host1 | FAILED! => {

    "changed": false, 

    "module_stderr": "Shared connection to iotplay.asuscomm.com closed.\r\n", 

    "module_stdout": "Traceback (most recent call last):\r\n  File \"/home/pi/.ansible/tmp/ansible-tmp-1513456624.46-27928346050531/command.py\", line 18, in <module>\r\n    import tempfile\r\n  File \"/usr/lib/python2.7/tempfile.py\", line 35, in <module>\r\n    from random import Random as _Random\r\nEOFError: EOF read where object expected\r\n", 

    "msg": "MODULE FAILURE", 

    "rc": 0

}

-------------------------------------------------------------------------------------------------------------

Can someone point me in the right direction to solve this please? 

[Jéan Roux]

Version, on a Mac:

ansible --version

ansible 2.4.2.0

  config file = None

  configured module search path = [u'/Users/jean/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']

  ansible python module location = /Library/Python/2.7/site-packages/ansible

  executable location = /usr/local/bin/ansible

  python version = 2.7.10 (default, Jul 15 2017, 17:16:57) [GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)]

[Jéan Roux]

One suggestion on the web I found, here, https://github.com/ansible/ansible/issues/21468, proposes:

ansible -m ping all -i hosts-file.ini -e ansible_python_interpreter=/usr/bin/python2.7

This also does not work.

[Jéan Roux]

This website https://www.josharcher.uk/code/ansible-python-connection-failure-ubuntu-server-1604/ recons, for Ubuntu, one must install Python 2.7.

I do not think this is the problem, as the other hosts does work.

[Dick Visser]

This sounds like some sort of integrity problem with python on that host.

Try to check the affected files it’s complainig about, or try apt-get purge the package and reinstall.

Dick

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Dick Visser
GÉANT

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